Not known Details About types of solder to use on aluminum radiator
..which includes crevices, standard plumbing flux and even though I've experienced luck with most solders, 4% silver bearing solder is more powerful Over time...kinda high-priced tho... I'd Harris solder readily available at enough time so no big deal for me but high priced if you do not need to have the strength for off street/ vibration/ continua